dt-bindings: gpio: pca953x: document the nxp,pcal6416

The NXP PCAL6416 is a variant of the PCA GPIO expander, with 16 GPIOs.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
This commit is contained in:
Thomas Petazzoni 2019-01-03 17:13:28 +01:00 • committed by Bartosz Golaszewski
commit 2d803dbe1c